Genethics: The Ethics of Engineering Life
by David T. Suzuki, Peter Knudtson
ISBN 13: 9780049201101
Format: Hardcover (384 pages) Publisher: Allen & Unwin Published: 17 Mar 1989 Other Format: Illustrated
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Orca: Visions of the Killer Whale
by Peter Knudtson
ISBN 13: 9781553650348
Format: Paperback (128 pages) Publisher: Greystone Books,Canada Published: 29 Apr 2005